-10.33% is the change from 271 to 243
Calculation steps:
[( 243 - 271 ) ÷ 271] x 100 = -10.33%
Formula
Percentage change = [(243 - 271) / 271] x 100
Subtract the new number by the original number
243 - 271 = -28
-28 ÷ 271 = -0.1033210332103321
-0.1033210332103321 x 100 = -10.33%